to grope for or handle something clumsily or awkwardly
(often + about/around) to make awkward attempts to do or find something
I fumbled in my pocket for a pound coin
to feel or handle (e.g. a ball) clumsily
to deal with (something) awkwardly or clumsily
fumbler noun
fumblingly adv
[Middle English from Low German fommeln or Dutch fommelen]